Interdental stimulator block



FIG. 1 is a perspective view of a interdental stimulator block showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is an end elevational view thereof; and

FIG. 6 is an opposite end elevational view thereof. 

The ornamental design for a interdental stimulator block, as shown. 